forked from marcusolsson/goddd
/
repositories.go
142 lines (118 loc) · 3.74 KB
/
repositories.go
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// Package repository provides implementations of all the domain repositories.
package repository
import (
"sync"
"github.com/marcusolsson/goddd/cargo"
"github.com/marcusolsson/goddd/location"
"github.com/marcusolsson/goddd/voyage"
)
type cargoRepository struct {
mtx sync.RWMutex
cargos map[cargo.TrackingID]cargo.Cargo
}
func (r *cargoRepository) Store(c cargo.Cargo) error {
r.mtx.Lock()
defer r.mtx.Unlock()
r.cargos[c.TrackingID] = c
return nil
}
func (r *cargoRepository) Find(trackingID cargo.TrackingID) (cargo.Cargo, error) {
r.mtx.RLock()
defer r.mtx.RUnlock()
if val, ok := r.cargos[trackingID]; ok {
return val, nil
}
return cargo.Cargo{}, cargo.ErrUnknown
}
func (r *cargoRepository) FindAll() []cargo.Cargo {
r.mtx.RLock()
defer r.mtx.RUnlock()
c := make([]cargo.Cargo, 0, len(r.cargos))
for _, val := range r.cargos {
c = append(c, val)
}
return c
}
// NewCargo returns a new instance of a in-memory cargo repository.
func NewCargo() cargo.Repository {
return &cargoRepository{
cargos: make(map[cargo.TrackingID]cargo.Cargo),
}
}
type locationRepository struct {
locations map[location.UNLocode]location.Location
}
func (r *locationRepository) Find(locode location.UNLocode) (location.Location, error) {
if l, ok := r.locations[locode]; ok {
return l, nil
}
return location.Location{}, location.ErrUnknown
}
func (r *locationRepository) FindAll() []location.Location {
l := make([]location.Location, 0, len(r.locations))
for _, val := range r.locations {
l = append(l, val)
}
return l
}
// NewLocation returns a new instance of a in-memory location repository.
func NewLocation() location.Repository {
r := &locationRepository{
locations: make(map[location.UNLocode]location.Location),
}
r.locations[location.SESTO] = location.Stockholm
r.locations[location.AUMEL] = location.Melbourne
r.locations[location.CNHKG] = location.Hongkong
r.locations[location.JNTKO] = location.Tokyo
r.locations[location.NLRTM] = location.Rotterdam
r.locations[location.DEHAM] = location.Hamburg
return r
}
type voyageRepository struct {
voyages map[voyage.Number]voyage.Voyage
}
func (r *voyageRepository) Find(voyageNumber voyage.Number) (voyage.Voyage, error) {
if v, ok := r.voyages[voyageNumber]; ok {
return v, nil
}
return voyage.Voyage{}, voyage.ErrUnknown
}
// NewVoyage returns a new instance of a in-memory voyage repository.
func NewVoyage() voyage.Repository {
r := &voyageRepository{
voyages: make(map[voyage.Number]voyage.Voyage),
}
r.voyages[voyage.V100.Number] = *voyage.V100
r.voyages[voyage.V300.Number] = *voyage.V300
r.voyages[voyage.V400.Number] = *voyage.V400
r.voyages[voyage.V0100S.Number] = *voyage.V0100S
r.voyages[voyage.V0200T.Number] = *voyage.V0200T
r.voyages[voyage.V0300A.Number] = *voyage.V0300A
r.voyages[voyage.V0301S.Number] = *voyage.V0301S
r.voyages[voyage.V0400S.Number] = *voyage.V0400S
return r
}
type handlingEventRepository struct {
mtx sync.RWMutex
events map[cargo.TrackingID][]cargo.HandlingEvent
}
func (r *handlingEventRepository) Store(e cargo.HandlingEvent) {
r.mtx.Lock()
defer r.mtx.Unlock()
// Make array if it's the first event with this tracking ID.
if _, ok := r.events[e.TrackingID]; !ok {
r.events[e.TrackingID] = make([]cargo.HandlingEvent, 0)
}
r.events[e.TrackingID] = append(r.events[e.TrackingID], e)
}
func (r *handlingEventRepository) QueryHandlingHistory(trackingID cargo.TrackingID) cargo.HandlingHistory {
r.mtx.RLock()
defer r.mtx.RUnlock()
return cargo.HandlingHistory{HandlingEvents: r.events[trackingID]}
}
// NewHandlingEvent returns a new instance of a in-memory handling event repository.
func NewHandlingEvent() cargo.HandlingEventRepository {
return &handlingEventRepository{
events: make(map[cargo.TrackingID][]cargo.HandlingEvent),
}
}